|Frequency Band|Band number|Radio Interface|Generation|Status|Notes|
|---|---|---|---|---|---|
|850 MHz|5|GSM/GPRS/EDGE|2G|Roaming|Not operated by T-Mobile, except for CMA629 in SC after the acquisition of SunCom. Competitor 850 MHz networks are accessible via roaming agreements.|
|850 MHz CLR|5|UMTS/HSPA+|3G|Roaming|Not operated by T-Mobile. After the failed acquisition of T-Mobile USA by AT&T, part of the failed acquisition was a 7-year AT&T 3G roaming agreement.|
|1900 MHz|2|GSM/GPRS/EDGE|2G|In Service|Most of this spectrum will be upgraded to 4G/LTE networks in the next two years. (More Details See 4G LTE Upgrade) It is unclear if that means this network will be decommissioned anytime soon, but it is possible.|
|1700/2100 MHz AWS|4|UMTS/DC-HSPA 42Mbit/s|4G|In Service|Has marketed 3G HSPA+ as "4G" since 2011. Covers 230 million+ POPs as of March, 2014.|
|1900 MHz PCS|2|UMTS/HSPA+ 21Mbit/s|4G|In Service/Building out|HSPA+ 21Mbps on the 1900 band — this is due to the T-Mobile’s 1900MHz not being DC-HSDPA capable. Moving 3G HSPA+ traffic to this band. Covers 203 million POPs as of Oct, 2013|
|1700/2100 MHz AWS|4|LTE|4G|In Service/Building out|Covers 210 million POPs as of March, 2014|
|700 MHz Block A|12|LTE|4G|Rollout starts by Q4 2014|Spectrum acquired from Verizon Wireless|
|1900 MHz PCS|2|LTE|4G|Rolling out in 2014||

Question: what is the first band number listed on this chart?
Answer: 5